Number of ways to place zero or more nonadjacent 1,1 2,1 3,1 3,2 4,0 4,1 5,1 6,1 polyhexes in any orientation on a planar nXnXn triangular grid.
A155377
Number of ways to place zero or more nonadjacent 1,1 2,1 3,1 3,2 4,0 4,1 5,1 6,1 polyhexes in any orientation on a planar nXnXn triangular grid.
Terms
- a(0) =1a(1) =7a(2) =19a(3) =37a(4) =153a(5) =637a(6) =2331a(7) =11267a(8) =74210a(9) =497308a(10) =3765392a(11) =35883138a(12) =379301928a(13) =4460755344
External references
- oeis: A155377